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Mihaiadrian6
a fost răspuns

Coroana.
Calculati
5/7 . x =1
7/5 : x = 1
1/4 : x = 3/4
1/4 : x = 3
1/2 . x = 2

x+3/5=11/5


Ps ( . = inmultire si 3/5 = 3 pe 5 si tot asa)

Răspuns :

Francesca100
5|7 ×=1 x=1|1 : 5/7 x=1|1 × 7|5 x=7|5 7|5 : x=1 x= 7|5 ×1 x=7|5 1|4 : x = 3|4 x=1|4 × 3|4 x= 3|16 1|4 :x=3 x=1|4 x 3 x=3|4 1|2 × x= 2 x=2|1 × 1|2 x=2|1 × 2|1 x=4|1=4 x+ 3|5=11|5 x=11|5 - 3|5 x=8|5 P.S: coroana